An anonymous 4chan post could help solve a 25-year-old math mystery

A 4chan poster may have solved part of a very tricky math problem that mathematicians have been working on for at least 25 years. The user was just trying to figure out the most efficient way to watch episodes of a nonlinear anime series, but the result has generated considerable interest from mathematicians around the world who have no way to identify the anonymous user.
Read more: https://www.theverge.com/2018/10/24/18019464/4chan-anon-anime-haruhi-math-mystery?source=Snapzu